| 保水剂在不同铵盐溶液体系中的吸水和吸附铵离子特征 |
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| 引用本文： | 王新爱,李永胜,杜建军,粟晓万,黄帮裕.保水剂在不同铵盐溶液体系中的吸水和吸附铵离子特征[J].农业工程学报,2012,28(7):117-123. |
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| 作者姓名： | 王新爱 李永胜 杜建军 粟晓万 黄帮裕 |
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| 作者单位： | 1. 仲恺农业工程学院化学化工学院,广州,510225
2. 仲恺农业工程学院环境科学与工程学院,广州,510225 |
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| 基金项目： | 国家自然科学基金（30971867、31172031）；广东省自然科学基金重点项目（10251022501000000）；广东省科技计划项目（2008B021000043）；教育部留学回国人员科研启动基金项目（教外司留[2009]1341号） |
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| 摘 要： | 为探明保水剂与NH4+的相互作用,选用聚丙烯酸盐型保水剂(PAA)和聚丙烯酰胺型保水剂(P(AA-AM)),研究了保水剂在系列NH4Cl、NH4Cl-KCl、NH4Cl-CaCl2溶液体系中的吸水行为和对铵离子的吸附特征。结果表明:铵离子能显著降低保水剂的吸水倍率,并随铵离子浓度的增加,吸水倍率显著降低,相对吸水倍率与NH4+浓度之间具有显著的幂函数的减函数关系;NH4+、K+、Ca2+单一体系,NH4+-K+、NH4+-Ca2+共存体系对保水剂吸水倍率的影响按NH4+-K+
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| 关 键 词： | 吸附 铵化合物 试验 保水剂 共存阳离子 |
| 收稿时间： | 2011/9/26 0:00:00 |
| 修稿时间： | 2012/3/15 0:00:00 |
Water and ammonium adsorption characteristics of water retaining agent in different solutions of ammonium salt |
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| Wang Xin'ai
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Li Yongsheng
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Du Jianjun
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Su Xiaowan
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Huang Bangyu.Water and ammonium adsorption characteristics of water retaining agent in different solutions of ammonium salt[J].Transactions of the Chinese Society of Agricultural Engineering,2012,28(7):117-123. |
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| Authors: | Wang Xin'ai Li Yongsheng Du Jianjun Su Xiaowan Huang Bangyu |
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| Institution: | 1.College of Chemistry and Chemical Engineering,Zhongkai University of Agriculture and Engineering,Guangzhou 510225,China;2.College of Environmental Science and Engineering,Zhongkai University of Agriculture and Engineering,Guangzhou 510225,China) |
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| Abstract: | In order to investigate the interaction between water retaining agents(WRAs)and NH4 +,polyacrylate(PAA) and poly acrylate-co-acrylamide(P(AA-AM))were selected as the tested WRAs to study the characteristics of water and NH4 + adsorption in a series of solutions of NH4 + Cl,NH4 + Cl-KCl and NH4 + Cl-CaCl2 respectively.The results showed that NH4 + could obviously reduce the water absorbency of the WARs.The water absorbency was markedly decreased with the NH4 + concentration increase.The relationship between relative water absorbency and NH4 + concentration could be described by the minus power function.For NH4 +,K +,Ca 2+ individual solution and NH4 +-K +,NH4 +-Ca 2+ coexistent solution,the influence of WRAs on water absorbency followed the order NH4 +-K +
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| Keywords: | absorption ammonium compound experiments water retaining agent coexisting cation |
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